Binary input Function1 Activated0 Deactivated20.9 Test mode functionality TESTMODE20.9.1 FunctionalityWhen the Test mode functionality TESTMODE is activated, all the functions in theIED are automatically blocked. Activated TESTMODE is indicating by a flashingyellow LED on the local HMI. It is then possible to unblock every function(s)individually from the local HMI to perform required tests.When leaving TESTMODE, all blockings are removed and the IED resumes normaloperation. However, if during TESTMODE operation, power is removed and laterrestored, the IED will remain in TESTMODE with the same protection functionsblocked or unblocked as before the power was removed. All testing will be done withactually set and configured values within the IED. No settings will be changed, thusmistakes are avoided.20.9.2 Function blockTESTMODEIED_TEST TESTIED_TESTBLOCKNOEVENTINPUTSETTINGIEC61850IEC14000072-1-en.vsdIEC09000219 V2 ENFigure 508: TESTMODE function block20.9.3 SignalsTable 850:TESTMODE Input signalsName Type Default DescriptionIED_TEST BOOLEAN 0 Activate IED test modeSection 20 1MRK502052-UEN BBasic IED functions1120Technical manual
